package de.hsmannheim.poolraumapp.activity;

import android.app.ActionBar;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.NavUtils;
import android.util.Log;
import android.view.MenuItem;
import de.hsmannheim.poolraumapp.R;
import de.hsmannheim.poolraumapp.fragment.NavigationFragment;
import de.hsmannheim.poolraumapp.fragment.ResultsFragment;
import de.hsmannheim.poolraumapp.fragment.WhatFragment;
import de.hsmannheim.poolraumapp.fragment.WhenFragment;
import de.hsmannheim.poolraumapp.fragment.WhereFragment;
import de.hsmannheim.poolraumapp.fragment.util.FragmentFactory;

/**
 * An activity representing a detail screen. This activity is only
 * used on handset devices. On tablet-size devices, details are presented
 * side-by-side with a list of items in a {@link NavigationActivity}.
 * <p>
 * This activity is mostly just a 'shell' activity containing nothing more than
 * a {@link WhenFragment}.
 */
public class DetailActivity extends PoolraumFragmentActivity {

	private static final String TAG = DetailActivity.class.getName();
	public static final String FRAGMENT_ID = "fragment_id";
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		
		Log.d(TAG, "onCreate called");
		setContentView(R.layout.activity_detail);

		// Show the Up button in the action bar.
		ActionBar actionBar = getActionBar();
		if (actionBar != null) {
			actionBar.setDisplayHomeAsUpEnabled(true);
		}

		// savedInstanceState is non-null when there is fragment state
		// saved from previous configurations of this activity
		// (e.g. when rotating the screen from portrait to landscape).
		// In this case, the fragment will automatically be re-added
		// to its container so we don't need to manually add it.
		// For more information, see the Fragments API guide at:
		//
		// http://developer.android.com/guide/components/fragments.html
		//
		if (savedInstanceState == null) {
			
			Log.d(TAG, "no savedInstanceState");
			// Create the detail fragment and add it to the activity
			// using a fragment transaction.
			
			
			String id = getIntent().getExtras().getString(FRAGMENT_ID);
			
			Log.d(TAG, "fragment id is " + id);
			
			getSupportFragmentManager().beginTransaction()
					.add(R.id.detail_container, FragmentFactory.createFragment(id)).commit();
		}
		
		Log.d(TAG, "onCreate finished");
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		switch (item.getItemId()) {
		case android.R.id.home:
			// This ID represents the Home or Up button. In the case of this
			// activity, the Up button is shown. Use NavUtils to allow users
			// to navigate up one level in the application structure. For
			// more details, see the Navigation pattern on Android Design:
			//
			// http://developer.android.com/design/patterns/navigation.html#up-vs-back
			//
			NavUtils.navigateUpTo(this,
					new Intent(this, NavigationActivity.class));
			return true;
		}
		return super.onOptionsItemSelected(item);
	}
}
